Pcs Phosphate #5b Blend Dike Reservoir Report

Last Updated: December 5, 2025

Located in Beaufort, North Carolina, the Pcs Phosphate #5b Blend Dike, also known as Texasgulf Pond #5b, is a privately owned earth dam constructed in 1986 for the purpose of storing tailings.


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Summary

Sitting on South Creek, this dam has a hydraulic height of 30 feet and a structural height of 35 feet, with a storage capacity of 9690 acre-feet. The dam covers a surface area of 323 acres and has a length of 3333 feet.

Regulated by the North Carolina Dam Safety Program, the Pcs Phosphate #5b Blend Dike has a low hazard potential and is currently assessed to be in fair condition as of June 2020. The dam undergoes inspections every 5 years to ensure its safety and integrity. With a state jurisdiction and regulatory agency oversight from NCDEQ and DEMLR, the dam operates under state permitting, inspection, and enforcement protocols to maintain compliance with safety standards.

Although the dam does not have a spillway or outlet gates, its primary purpose of storing tailings for the phosphate industry highlights its importance in the local water resource management system. With its historical significance and ongoing regulatory oversight, the Pcs Phosphate #5b Blend Dike serves as a key infrastructure for maintaining water quality and environmental sustainability in the region.

Year Completed

1986

Dam Length

3333

River Or Stream

South Creek

Primary Dam Type

Earth

Surface Area

323

Hydraulic Height

30

Drainage Area

323

Nid Storage

9690

Structural Height

35

Hazard Potential

Low

Nid Height

35
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.